supplied. Use the filter tables and compare your furnace size with
the proper filter size.
Fig. 29 - Replace Blower Access Panel
A93205
Fig. 30 - Replace Furnace Door
A05088
Fig. 31 - Replace Side Filter Cabinet Door
A06192
5. If washable filter, wash filter (if dirt},) in sink, bathtub, or
outside with a garden hose. Always use cold tap water. A
mild liquid detergent may be used if necessary. Spray water
through filter in the opposite direction of airflow. Allow
filter to dry.
6. Reinstall clean air filter.
7. Reinstall filter retainer (for blower compartment locations
only).
8. Replace blower access panel and main furnace door (Fig. 29
and 30.) or filter cabinet door. (Fig. 31 and 32.)
9. Turn on electrical supply to furnace.
If your furnace air filter needs to be replaced, be sure to use a
factory-authorized filter of the same size that was originally
A0619S
Fig. 32 - Replace Bottom Filter Cabinet Door
FURNACE AIR FILTER TABLE
AIR FILTER LOCATED IN BLOWER COMPARTMENT
FURNACE FILTER SIZE (IN)
CASING FILTER
WIDTH Side Bottom TYPE
(IN,) Return f* Return*
17-1/2 (1) 16x25xl (1) 16x25xl CIeanable
21 (1) 16x25x1 (1)20x25x1 CIeanable
24-1/2 (1 or2) 16x25x 1 (1)24x25x1 CIeanable
AIR FILTER LOCATED IN FILTER CABINET
FILTER CABINET FILTER FILTER
HEIGHT (IN) SIZE (IN) TYPE
C_eanab{e or
15 (1) 16x25 x 1"
Disposable
(1) 20x25x 1"
20 or (1) 20 x 25 x CIeanable or
4-5/16 Disposable
(1) 24x25x 1"
24 or (1) 24 x 25 x Cleanable or
4-5/16 Disposable
*Factory-provided w{th the furnace. Filters may be field modified by
cutting filter material and support rods (3) in fi{ters.
Upflow only. Alternate sizes and additional filters may be ordered from
your dealer.
PERSONAL INJURY HAZARD
Failure to follow this warning could result in personal
injury.
Use care when cutting support rods in filters to protect
against flying pieces and sharp rod ends. Wear safety
glasses, gloves, and appropriate protective clothing.
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